Finding the Fourth Proportional to 209,911.30, 314,866.95 and 201,163.30
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Solution
The fourth proportional to 209,911.30, 314,866.95 and 201,163.30 is: 301,744.95
Step by Step Solution
- Step 1: Write the proportion equation
209,911.30 : 314,866.95 = 201,163.30 : x - Step 2: Convert to fraction form
209,911.30/314,866.95 = 201,163.30/x - Step 3: Cross multiply
209,911.30x = 314,866.95 × 201,163.30 - Step 4: Simplify right side
209,911.30x = 63,339,674,722.94 - Step 5: Solve for x
x = 63,339,674,722.94/209,911.30 - Step 6: Final answer
x = 301,744.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.